TY  - GEN
AU  - Walker,John R 
AU  - Walker, Josielyn T
TI  - Tourism: concepts and practices
SN  - 9788131761052
PY  - 2011///
CY  - New Delhi
PB  - Pearson
KW  - Tourism
KW  - Operating sectors - business travel
KW  - Tourism economics
ER  -